How to run vi on docker container?

The command to run depends on what base image you are using.

For Alpine, vi is installed as part of the base OS. Installing vim would be:

apk -U add vim

For Debian and Ubuntu:

apt-get update && apt-get install -y vim

For CentOS, vi is usually installed with the base OS. For vim:

yum install -y vim

from : https://stackoverflow.com/questions/31515863/how-to-run-vi-on-docker-container